Engine



April l2, 1.935. A, J, MEYER ET AL 1,996,165

i ENGINE Filed Marchi 21, 1931 HHH l I f l m5- A z 1,-

/NuENToRs BY 750766 0. m

Patented Apr. 2, 1935 ENGINE Andre J. Meyer and James Fink, Detroit, Mich., assignors to Continental Motors Corpok l ration, Detroit, Mich.,

- Application March 21,

4 Claims.

`Thisinvention relates to an internal ,combustion engine and. is `more particularly related to a sleeve valve structure for an engine of the sleeve valve type, and in its more specific aspect this invention is related to a built up sleeve valve structure employing a steel sleeve to which a separatesleeve valve actuating element may be secured.

' An object of this `invention is to facilitate the l0 manufacture of a sleeve valve structure for an internal combustion engine ofthe sleeve valve type by providing a built upsleeve valve structure consisting of a steel sleeve and a valve actuating element welded or otherwise permanently united thereto.

, It is well known that a welded joint provides a rigid structure which is-not-readily broken and the built up sleeve structure herein illustrated provides a welded joint which may be economically and readily formed with a minimum of time and labor.

For a more detailed understanding of the ing vention, reference may be had to the accompanying drawing illustrating preferred embodiments of the invention, and in which:

Figure 1 is a fragmentary vertical sectional view through an internal combustion engine of the sleeve valve type adapted for employing a built up sleeve valve structure constructed in accordance with this invention,

Figures 2 and 3 illustrate successive steps showing how a sleeve valve actuating element may be Welded to a steel sleeve, and Figures 4 and 5 illustrate the steps employed in uniting a sleeve valve actuating element to a sleeve valve in which the joint between the sleeve valve and actuating element is constructed in a manner somewhat different from that illustrated in Figures 2 and 3. Y

This built up' sleeve valve structure A is adapted for assembly with an internal combustion engine of the sleeve valve type which in general consists of a cylinder block I having a bored cylinder I I arranged for receiving the sleeve valve structure A. A piston I2 operates within the cylinder and sleeve valve structure and is preferably connected with the crankshaft I3 by means of a connecting rod I4 in the usual manner.

The sleeve valve structure A consists of a steel sleeve I5 (Figures 1 to 3 inclusive) which is provided with a wall portion I5a adjacent to the 'inner end thereof of relatively greater thickness than other portions of the sleeve and this thickened wall portion may be provided with an opena corporation of Virginia 1931, serial No. 524,236

(c1. 12e-s1) ing or window I6. A sleeve valve actuating element is adapted to be securedl to the sleeve I5 and is preferably constructed of a tubular member I'IY having an outwardly extending flange portion or segmental annular base I8, the lia-nge portion It '5 forming an arcuate sleeve engaging or annularly recessed portion and being adapted to overlap that portion of the sleeve valveadjacent the opening or window I 6 and to be welded thereto as at I9. The base or flange portion preferably extends l0 substantially in the plane of the sleeve. This v E WeldedV joint between the actuating element Il and sleeve I5 is illustrated in Figure 3 and consists of a continuous weld about the periphery of the flange I8. Dies 20 and 2l are employed for 15 squeezing the actuating element to the sleeve in order to weld the same together under pressure. It will be noted that thesleeve valve actuating element extends transversely of the sleeve I5 and also substantially outwardly thereof. The welded joint I9 substantially lies in the plane of the Sleeve and the construction of this Welded joint in the thickened sleeve portion providesY a rigid welded joint capable of carrying the loads to which such a connection is subjected.

In Figures 4 and 5 the sleeve I5 is providedY with a thickened wall portion 15b at the inner4 end thereof and` this thickened wall portion may be provided with an opening or window I 6 which is preferably larger in diameter than the tubular actuating element I 'I'. The actuating element is provided with an outwardly extending flange portion or segmental annular base I8 at one end which is adapted to project within the opening or window I6. 'Ihe actuating element is united to the sleeve by employing dies 3S, 3| and 32, said die 30 being arranged to apply pressure axially 0f the tubular actuating element Il. The outer edge of the flange I8 is constructed to provide a sleeve engaging portion which abuts the edge of the opening or window iii and thus when the pressure is applied to the actuating element in the welding operation the metal in the abutting portions of the actuating element land sleevewill flow. together and thus provide Va rigid welded joint between the sleeve and actuating element which is not readily broken and which is capable of carrying the heavy loads to which saidv actuated element is subjected. The flange portion or segmental annular base I8 also preferably extends substantially in the plane of the sleeve I5", but in this modified construction as shown in Figs. 4 and 5, the flange portion I8 is constructed to substantially form a continuation of the sleeve Wall,

It will be noted that the structure illustrated in the accompanying drawing provides a built up sleeve valve structure which may be readily manufactured and in view of the fact that the joint between the actuating element and sleeve is preferably a welded joint located substantially in the plane of the sleeve in both instances, the joint is not easily 'broken nor is the sleeve or actuating element readily distorted While the same are being united or otherwise secured together.

It will be apparent to those skilled in the art to which the invention pertains, that various modifications and changes may be made therein Without departing from the spirit of the invention or from the scope of the appended claims.

What We claim as our invention is:

1. A built up sleeve valve structure for a sleeve valve engine and including a sleeve provided With an annular Wall portion adjacent to one Vend thereof of relatively greater thickness than other portions of said sleeve, and a sleeve valve actuating element having a base portion provided with a sleeve engaging portion complementary to the exterior surface of the relatively enlarged portion of said sleeve and secured thereto.

2. A built up sleeve valve structure for a sleeve valve engine and including a sleeve provided with an annulark Wall portion adjacent to one end thereof of relatively greater thickness than other portions of said sleeve, and a sleeve valve actuating element provided with an enlarged ilange portion overlying the exterior surface of the relatively enlarged portion of said sleeve and permanently secured thereto.

3. A built up sleeve valve structure for a sleeve valve engine and including a sleeve provided with an annular Wall portion adjacent to one end thereof of relatively greater thickness than other portions of said sleeve, and a sleeve valve actuating element provided with a segmental annular portion overlying the exterior surface of the relatively enlarged portion of said sleeve and permanently secured thereto.

4. A built up sleeve valve structure for a sleeve valve engine and including a sleeve provided with an annular wall portion adjacent to one end thereof of relatively greater thickness than other portions of said sleeve, and a sleeve valve actuating element provided with a segmental annular portion having an annular` sleeve engaging portion complementary to the exterior curved surface of the sleeve, the annular portion of said element overlying the exterior surface of the relatively enlarged portion of said sleeve and permanently secured thereto.

ANDRE J. MEYER. JAMES O. FINK. 

